I've tried deleting and re-adding the user and they're still not receiving the confirmation email to enable his account to use the Box.
Hi Heather,
Welcome to Box Community and glad to help!
Looks like you've already worked with Product Support to address the issue. Let us know if you have questions and feel free to reply in the thread.
Thanks for posting!
Already have an account? Login
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.
Sorry, we're still checking this file's contents to make sure it's safe to download. Please try again in a few minutes.
Sorry, our virus scanner detected that this file isn't safe to download.